/* roulang page: index */
:root{
  --c-primary:#14453D;
  --c-primary-dark:#0C2B26;
  --c-primary-light:#2C6355;
  --c-accent:#C08A4E;
  --c-action:#B85C38;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-dark:#12332E;
  --c-text:#1F2724;
  --c-text-2:#5A6660;
  --c-text-3:#8A948E;
  --c-border:#DFD8CB;
  --c-invert:#F3EFE6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctl:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(20,69,61,.06);
  --shadow-2:0 14px 30px -14px rgba(20,69,61,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16.5px;line-height:1.85;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,border-color .22s ease}
a:hover{color:var(--c-action)}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;color:var(--c-primary-dark);letter-spacing:.01em;margin:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (max-width:767.98px){.container{padding-left:18px;padding-right:18px}}

/* 顶部信息条 */
.topbar{background:var(--c-primary-dark);color:rgba(243,239,230,.8);font-size:12.5px;line-height:1.4}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap}
.topbar-domain{color:var(--c-invert);font-weight:600;letter-spacing:.05em}
.topbar-sep{width:1px;height:12px;background:rgba(243,239,230,.28);display:inline-block}
.topbar-right a{color:rgba(243,239,230,.8);font-size:12.5px}
.topbar-right a:hover{color:var(--c-accent)}
.topbar-cta{color:var(--c-accent)!important;font-weight:600}
@media (max-width:767.98px){.topbar-right{display:none}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-bg);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease}
.site-header.is-stuck{border-bottom-color:var(--c-border);box-shadow:0 8px 22px -18px rgba(20,69,61,.6);background:rgba(246,243,236,.96);backdrop-filter:blur(8px)}
.site-nav{padding:0}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:76px}
.navbar-brand.brand{display:flex;align-items:center;gap:12px;padding:0;margin:0}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:var(--c-invert);display:grid;place-items:center;font-family:var(--font-serif);font-weight:700;font-size:14px;letter-spacing:.04em;flex:none}
.brand-name{display:block;font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-primary-dark);line-height:1.25}
.brand-sub{display:block;font-size:11px;color:var(--c-text-3);letter-spacing:.06em;line-height:1.4}
.nav-links-wrap{flex:1 1 auto;justify-content:center;padding:0}
.nav-links{display:flex;flex-direction:row;align-items:center;gap:26px}
.nav-links .nav-link{position:relative;padding:8px 0;font-size:15px;font-weight:500;color:var(--c-text);line-height:1.6;transition:color .22s ease}
.nav-links .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-links .nav-link:hover,.nav-links .nav-link.active{color:var(--c-primary)}
.nav-links .nav-link:hover::after,.nav-links .nav-link.active::after{transform:scaleX(1)}
.nav-cta{flex:none}
.nav-toggle{width:44px;height:44px;border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:1px}
.nav-toggle:focus{box-shadow:none}
@media (max-width:991.98px){.nav-inner{min-height:66px;gap:12px}}

/* offcanvas 移动导航 */
.offcanvas.mobile-nav{width:320px;max-width:88vw;background:var(--c-bg);border-left:1px solid var(--c-border)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-border);padding:18px 20px;align-items:center}
.mobile-nav .offcanvas-body{padding:0;display:flex;flex-direction:column}
.mobile-nav-links{display:flex;flex-direction:column}
.mobile-nav-links a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 20px;font-size:15.5px;color:var(--c-text);border-bottom:1px solid var(--c-border)}
.mobile-nav-links a.active{color:var(--c-primary);font-weight:600;background:rgba(20,69,61,.05)}
.mobile-nav-links a::after{content:"›";color:var(--c-text-3);font-size:18px}
.mobile-nav-foot{padding:22px 20px 28px;margin-top:auto}
.mobile-nav-foot .btn{width:100%}
.mobile-nav-foot .contact-line{margin-top:16px;font-size:13px;color:var(--c-text-2);line-height:1.7}

/* 按钮 */
.btn{border-radius:var(--radius-ctl);font-weight:600;letter-spacing:.02em;font-size:15px;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;box-shadow:none}
.btn:focus,.btn:active{box-shadow:none!important}
.btn-primary{background-color:var(--c-primary);border:1px solid var(--c-primary);color:var(--c-invert);height:48px;padding:0 26px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary:hover,.btn-primary:focus{background-color:var(--c-primary-dark);border-color:var(--c-primary-dark);color:var(--c-invert);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background-color:transparent;border:1px solid var(--c-primary);color:var(--c-primary);height:48px;padding:0 26px;display:inline-flex;align-items:center;justify-content:center}
.btn-ghost:hover,.btn-ghost:focus{background-color:rgba(20,69,61,.08);color:var(--c-primary);border-color:var(--c-primary)}
.btn-sm-main{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-block;font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid var(--c-primary);padding-bottom:2px;transition:all .22s ease}
.link-more:hover{color:var(--c-accent);border-bottom:2px solid var(--c-accent);padding-bottom:1px}

/* 区块通用 */
.section{padding:92px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--c-surface-alt)}
.section-white{background:var(--c-surface)}
.sec-head{margin-bottom:36px}
.sec-head-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--c-accent);font-weight:600}
.eyebrow-bar{width:18px;height:2px;background:var(--c-accent);display:inline-block}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin:12px 0 14px}
.sec-desc{font-size:15.5px;color:var(--c-text-2);max-width:640px;margin:0}
@media (max-width:991.98px){.section{padding:64px 0}.section-tight{padding:54px 0}}
@media (max-width:767.98px){.section{padding:52px 0}.section-tight{padding:44px 0}.sec-head{margin-bottom:26px}}

/* Hero */
.hero{position:relative;background:var(--c-bg);padding:70px 0 84px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,69,61,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,61,.05) 1px,transparent 1px);background-size:46px 46px;pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero-title{font-size:clamp(30px,4vw,50px);line-height:1.28;margin:18px 0 20px;max-width:16em}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:33em;margin-bottom:12px}
.hero-sub-2{font-size:15.5px;color:var(--c-text-3);max-width:34em;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;margin-top:34px;font-size:13.5px;color:var(--c-text-2)}
.hero-points li{position:relative;padding:0 18px;border-left:1px solid var(--c-border)}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-visual{position:relative;border-radius:16px}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid var(--c-border);box-shadow:var(--shadow-1)}
.hero-visual::after{content:"";position:absolute;left:22px;bottom:22px;width:64px;height:64px;border-radius:12px;background:var(--c-accent);opacity:.94}
@media (max-width:991.98px){.hero{padding:52px 0 60px}.hero-visual{margin-top:12px}}
@media (max-width:767.98px){.hero-points li{padding:0 12px}.hero-visual::after{width:48px;height:48px;left:16px;bottom:16px}}

/* 服务能力 */
.cap-list{border-top:1px solid var(--c-border)}
.cap-item{display:flex;align-items:flex-start;gap:20px;padding:26px 10px;border-bottom:1px solid var(--c-border);transition:transform .25s ease,background-color .25s ease}
.cap-item:hover{transform:translateX(4px);background-color:rgba(20,69,61,.035)}
.cap-num{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--c-accent);min-width:38px;line-height:1.3;font-variant-numeric:tabular-nums}
.cap-body h3{font-size:19px;margin-bottom:6px}
.cap-body p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.75}
.cap-arrow{margin-left:auto;color:var(--c-text-3);font-size:18px;line-height:1.4;align-self:center;transition:color .22s ease,transform .22s ease}
.cap-item:hover .cap-arrow{color:var(--c-accent);transform:translateX(4px)}
.cap-side{position:sticky;top:110px}
@media (max-width:991.98px){.cap-side{position:static;margin-bottom:24px}}

/* 数据带 */
.stats-band{background:var(--c-dark);color:var(--c-invert);padding:72px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:0 26px;border-left:1px solid rgba(243,239,230,.16)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--font-serif);font-size:clamp(30px,3.6vw,44px);font-weight:700;color:var(--c-accent);line-height:1.15;font-variant-numeric:tabular-nums}
.stat-num small{font-size:15px;font-weight:600;margin-left:6px;color:var(--c-accent)}
.stat-label{font-size:14px;color:rgba(243,239,230,.76);margin-top:10px;line-height:1.7}
@media (max-width:767.98px){.stats-band{padding:52px 0}.stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 0}.stat-item{padding:0 16px}.stat-item:nth-child(odd){border-left:0;padding-left:0}}

/* 案例 */
.case-list{display:flex;flex-direction:column}
.case-row{display:flex;gap:44px;align-items:center;padding:34px 0;border-bottom:1px solid var(--c-border)}
.case-row:first-child{padding-top:0}
.case-row.reverse{flex-direction:row-reverse}
.case-row>*{flex:1 1 0;min-width:0}
.case-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--c-border);background:var(--c-surface-alt)}
.case-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.case-row:hover .case-media img{transform:scale(1.02)}
.case-badge{position:absolute;top:14px;left:14px;background-color:rgba(12,43,38,.88);color:var(--c-invert);font-size:12px;padding:4px 10px;border-radius:var(--radius-badge);letter-spacing:.06em}
.case-body h3{font-size:22px;line-height:1.45;margin-bottom:12px}
.case-body p{font-size:15px;color:var(--c-text-2);margin-bottom:16px}
.case-meta{display:flex;gap:16px;font-size:13px;color:var(--c-text-3);margin-bottom:16px;flex-wrap:wrap}
.case-meta span{display:inline-flex;align-items:center;gap:6px}
@media (max-width:767.98px){.case-row,.case-row.reverse{flex-direction:column;gap:20px;padding:26px 0}.case-row>*{width:100%}}

/* 方案 */
.plan-wrap{display:grid;grid-template-columns:3fr 9fr;gap:44px;align-items:start}
.plan-tabs{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-border)}
.plan-tab{text-align:left;background:none;border:0;border-left:3px solid transparent;margin-left:-1px;padding:14px 16px;font-family:var(--font-serif);font-size:17px;color:var(--c-text-2);cursor:pointer;transition:all .22s ease;line-height:1.5}
.plan-tab:hover{color:var(--c-primary);background-color:rgba(20,69,61,.04)}
.plan-tab.active{color:var(--c-primary);border-left-color:var(--c-accent);background-color:rgba(20,69,61,.06);font-weight:700}
.plan-panel{display:none}
.plan-panel.active{display:block}
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.plan-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--c-border)}
.plan-text h3{font-size:22px;margin-bottom:12px}
.plan-text p{font-size:15px;color:var(--c-text-2)}
.plan-points{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.plan-points li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text)}
.plan-points li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background-color:var(--c-accent)}
@media (max-width:991.98px){.plan-wrap{grid-template-columns:1fr;gap:24px}.plan-tabs{flex-direction:row;border-left:0;border-bottom:1px solid var(--c-border);overflow-x:auto;gap:4px;padding-bottom:0}.plan-tab{border-left:0;border-bottom:3px solid transparent;margin-left:0;white-space:nowrap;font-size:15px;padding:12px 14px}.plan-tab.active{border-left-color:transparent;border-bottom-color:var(--c-accent)}.plan-grid{grid-template-columns:1fr;gap:22px}}

/* 最新信息 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{display:flex;flex-direction:column;background-color:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(192,138,78,.4)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background-color:var(--c-surface-alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-cat{align-self:flex-start;font-size:12px;color:var(--c-primary);background-color:rgba(192,138,78,.14);border:1px solid rgba(192,138,78,.32);padding:3px 9px;border-radius:var(--radius-badge);letter-spacing:.04em}
.post-title{font-size:17px;line-height:1.55;color:var(--c-primary-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--c-primary)}
.post-excerpt{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.post-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.post-meta .arrow{color:var(--c-primary);transition:transform .22s ease}
.post-card:hover .post-meta .arrow{transform:translateX(4px)}
.empty-state{border:1px dashed var(--c-border);border-radius:var(--radius-card);padding:44px 20px;text-align:center;color:var(--c-text-2);background-color:rgba(255,255,255,.6)}
.empty-state .empty-icon{font-size:30px;color:var(--c-primary-light);line-height:1;margin-bottom:12px}
.empty-state p{margin:0;font-size:15px;color:var(--c-primary)}
.empty-state span{display:block;font-size:13px;color:var(--c-text-3);margin-top:6px}
@media (max-width:991.98px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767.98px){.post-grid{grid-template-columns:1fr;gap:20px}}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq .accordion-item{border:0;border-bottom:1px solid var(--c-border);background-color:transparent}
.faq .accordion-item:first-child{border-top:1px solid var(--c-border)}
.faq .accordion-button{background-color:transparent;box-shadow:none;padding:22px 46px 22px 0;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--c-primary-dark);line-height:1.6}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);background-color:transparent;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:2px}
.faq .accordion-button::after{content:"+";background-image:none!important;width:28px;height:28px;border:1px solid var(--c-border);border-radius:50%;display:grid;place-items:center;font-size:16px;color:var(--c-primary);position:absolute;right:0;top:50%;transform:translateY(-50%);transition:all .22s ease;line-height:1}
.faq .accordion-button:not(.collapsed)::after{content:"−";background-color:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-50%) rotate(180deg)}
.faq .accordion-body{padding:0 46px 24px 0;font-size:15.5px;line-height:1.85;color:var(--c-text-2)}

/* 联系表单 */
.contact-card{background-color:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-1)}
.contact-card h3{font-size:21px;margin-bottom:8px}
.contact-card .form-hint{font-size:14px;color:var(--c-text-2);margin-bottom:22px}
.form-label{font-size:14px;font-weight:600;color:var(--c-primary-dark);margin-bottom:6px}
.form-control,.form-select{border:1px solid var(--c-border);border-radius:var(--radius-ctl);padding:12px 14px;font-size:15px;color:var(--c-text);background-color:#fff;line-height:1.6}
.form-control::placeholder{color:var(--c-text-3)}
.form-control:focus,.form-select:focus{border-color:var(--c-primary-light);box-shadow:0 0 0 3px rgba(20,69,61,.12);outline:none}
.form-note{font-size:12.5px;color:var(--c-text-3);margin-top:2px}
.form-alert{display:none;margin-top:16px;font-size:14px;padding:12px 16px;border-radius:var(--radius-ctl);background-color:rgba(20,69,61,.08);border:1px solid rgba(20,69,61,.2);color:var(--c-primary)}
.form-alert.show{display:block}
.contact-info{background-color:var(--c-surface-alt);border:1px solid var(--c-border);border-radius:var(--radius-card);padding:32px;height:100%}
.contact-info h3{font-size:21px;margin-bottom:18px}
.info-list{display:flex;flex-direction:column;gap:20px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-icon{width:38px;height:38px;flex:none;border-radius:10px;background-color:rgba(20,69,61,.09);color:var(--c-primary);display:grid;place-items:center;font-size:15px;font-weight:700}
.info-item dt{font-size:13px;color:var(--c-text-3);margin-bottom:2px;font-weight:400}
.info-item dd{margin:0;font-size:15px;color:var(--c-text);line-height:1.7}

/* CTA 带 */
.cta-band{background-color:var(--c-dark);color:var(--c-invert);padding:56px 0}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:var(--c-invert);font-size:clamp(22px,2.4vw,30px);margin-bottom:8px}
.cta-band p{color:rgba(243,239,230,.76);font-size:15px;margin:0;max-width:52em}
.cta-band .btn-primary{background-color:var(--c-accent);border-color:var(--c-accent);color:#20170E}
.cta-band .btn-primary:hover{background-color:#CE9A61;border-color:#CE9A61;color:#20170E}
@media (max-width:767.98px){.cta-band{padding:44px 0}.cta-band .btn-primary{width:100%}}

/* 页脚 */
.site-footer{background-color:var(--c-primary-dark);color:rgba(243,239,230,.74);position:relative;padding:60px 0 0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--c-accent),rgba(192,138,78,.18))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background-color:var(--c-accent);color:#20170E}
.footer-brand-name{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--c-invert);line-height:1.3}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(243,239,230,.68);margin:0;max-width:26em}
.footer-col h4{font-size:15px;color:var(--c-invert);margin-bottom:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(243,239,230,.7)}
.footer-contact strong{display:block;color:var(--c-invert);font-weight:600;font-size:13px;letter-spacing:.05em;margin-bottom:2px}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(243,239,230,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(243,239,230,.58);flex-wrap:wrap}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(243,239,230,.3);color:rgba(243,239,230,.8);display:grid;place-items:center;font-size:15px;background:none;transition:all .22s ease}
.to-top:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --c-primary:#14453D;
  --c-primary-dark:#0C2B26;
  --c-primary-light:#2C6355;
  --c-accent:#C08A4E;
  --c-action:#B85C38;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-dark:#12332E;
  --c-text:#1F2724;
  --c-text-2:#5A6660;
  --c-text-3:#8A948E;
  --c-border:#DFD8CB;
  --c-invert:#F3EFE6;
  --r-card:14px;
  --r-img:12px;
  --r-ctl:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(20,69,61,.06);
  --shadow-2:0 14px 30px -14px rgba(20,69,61,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:linear-gradient(rgba(20,69,61,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,61,.032) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-action);}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--c-primary);margin:0;line-height:1.4;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding-left:1.35em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container,.container-fluid{padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1200px;}}

/* 顶部信息条 */
.topbar{background:var(--c-primary-dark);color:rgba(243,239,230,.8);font-size:12.5px;line-height:1;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:8px;padding-bottom:8px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;flex-wrap:nowrap;}
.topbar-domain{color:var(--c-invert);letter-spacing:.04em;}
.topbar-sep{width:1px;height:12px;background:rgba(243,239,230,.28);}
.topbar-right a{color:rgba(243,239,230,.8);}
.topbar-right a:hover{color:var(--c-accent);}
.topbar-cta{color:var(--c-accent)!important;font-weight:600;}
.topbar-right .topbar-sep{width:1px;height:12px;background:rgba(243,239,230,.28);}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-bg);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;}
.site-header.is-stuck{border-bottom-color:var(--c-border);box-shadow:0 6px 20px -16px rgba(20,69,61,.5);}
.site-nav{padding:0;background:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;padding:0;margin:0;color:var(--c-primary);}
.brand:hover{color:var(--c-primary);}
.brand-mark{width:30px;height:30px;flex:0 0 30px;display:inline-flex;align-items:center;justify-content:center;background:var(--c-primary);color:var(--c-invert);border-radius:8px;font-family:var(--font-serif);font-size:13px;font-weight:700;letter-spacing:.02em;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-family:var(--font-serif);font-size:20px;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.06em;margin-top:3px;}
.nav-links-wrap{justify-content:flex-end;}
.nav-links{display:flex;align-items:center;gap:28px;flex-direction:row;margin:0;padding:0;list-style:none;}
.nav-links .nav-item{list-style:none;}
.nav-link{position:relative;display:block;padding:8px 0;font-size:15px;font-weight:500;color:var(--c-text-2);white-space:nowrap;line-height:1.4;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;}
.nav-link:hover,.nav-link.active{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-cta{margin-left:8px;}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid var(--c-border);border-radius:var(--r-ctl);background:transparent;padding:0 11px;}
.nav-toggle span{display:block;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-toggle:focus{box-shadow:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-ctl);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-primary);color:var(--c-invert);border-color:var(--c-primary);box-shadow:var(--shadow-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:var(--c-invert);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(20,69,61,.08);color:var(--c-primary);}
.btn-sm-main{height:42px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}

/* 移动端抽屉 */
.mobile-nav{width:320px;background:var(--c-bg);color:var(--c-text);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-border);padding:16px 20px;gap:12px;}
.mobile-nav .brand-name{font-size:17px;}
.mobile-nav .offcanvas-body{padding:8px 20px 28px;display:flex;flex-direction:column;}
.mobile-links{list-style:none;padding:0;margin:0;}
.mobile-links li{border-bottom:1px solid var(--c-border);}
.mobile-links a{display:flex;align-items:center;min-height:52px;font-size:15.5px;font-weight:500;color:var(--c-text);}
.mobile-links a:hover,.mobile-links a.active{color:var(--c-primary);}
.mobile-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.mobile-foot p{margin:0;font-size:13px;color:var(--c-text-3);}

/* 面包屑 */
.page-top{padding-top:22px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--c-text-2);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--c-border);}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .is-current{color:var(--c-primary);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章布局 */
.article-layout{padding-top:26px;padding-bottom:80px;}
.article-layout .row{--bs-gutter-x:48px;--bs-gutter-y:40px;}
.article-main{min-width:0;}
.article-head{border-bottom:1px solid var(--c-border);padding-bottom:26px;margin-bottom:32px;}
.badge-cat{display:inline-block;background:rgba(192,138,78,.16);color:#8A5D26;border-radius:var(--r-badge);padding:5px 12px;font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;}
.article-title{font-size:clamp(26px,3.2vw,40px);line-height:1.4;font-weight:700;letter-spacing:.01em;max-width:860px;}
.article-lead{font-size:16.5px;line-height:1.85;color:var(--c-text-2);margin:18px 0 0;max-width:820px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-text-3);display:inline-block;}

/* 正文排版 */
.article-body{font-size:17px;line-height:1.95;color:var(--c-text);max-width:780px;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{font-size:24px;line-height:1.45;font-weight:700;margin:44px 0 18px;padding-left:14px;border-left:4px solid var(--c-accent);}
.article-body h3{font-size:19px;line-height:1.5;margin:32px 0 14px;font-weight:700;}
.article-body h4{font-size:17px;margin:26px 0 12px;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body li{margin-bottom:.6em;}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:var(--c-surface-alt);border-left:3px solid var(--c-primary);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-text-2);font-size:16px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--shadow-1);}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(20,69,61,.35);}
.article-body a:hover{color:var(--c-action);border-bottom-color:var(--c-action);}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;display:block;overflow-x:auto;white-space:nowrap;border-radius:var(--r-img);}
.article-body th{background:rgba(20,69,61,.08);color:var(--c-primary);text-align:left;padding:12px 16px;font-weight:600;border-bottom:1px solid var(--c-border);}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-border);}
.article-body tr:nth-child(even) td{background:#FAF8F3;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px;}
.article-body code{background:rgba(20,69,61,.08);border-radius:4px;padding:2px 6px;font-size:14.5px;}
.empty-state{border:1px dashed var(--c-border);border-radius:var(--r-card);padding:40px 28px;text-align:center;background:var(--c-surface);}
.empty-state .empty-title{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-primary);margin-bottom:8px;}
.empty-state .empty-sub{font-size:14px;color:var(--c-text-2);max-width:460px;margin:0 auto 20px;}

/* 文末 */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-border);max-width:780px;}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px;}
.tag-row .tag-label{font-size:13px;color:var(--c-text-3);margin-right:4px;}
.pill{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--c-border);background:var(--c-surface);font-size:13px;color:var(--c-text-2);transition:border-color .2s ease,color .2s ease,background-color .2s ease;}
.pill:hover{color:var(--c-primary);border-color:rgba(192,138,78,.6);background:rgba(192,138,78,.08);}
.jump-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:28px;}
.jump-card{display:block;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--shadow-1);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;}
.jump-card:hover{border-color:rgba(192,138,78,.55);transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--c-primary);}
.jump-dir{display:block;font-size:12px;letter-spacing:.08em;color:var(--c-text-3);margin-bottom:6px;}
.jump-title{font-family:var(--font-serif);font-size:16.5px;font-weight:700;color:var(--c-primary);line-height:1.5;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(20,69,61,.35);padding-bottom:2px;}
.back-link:hover{color:var(--c-action);border-bottom-color:var(--c-action);}

/* 侧栏 */
.side-stack{display:flex;flex-direction:column;gap:20px;}
@media (min-width:992px){.side-stack{position:sticky;top:96px;}}
.side-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);}
.side-card h3{font-size:17px;margin-bottom:12px;}
.side-card p{font-size:14px;line-height:1.8;color:var(--c-text-2);margin-bottom:16px;}
.side-card-tint{background:var(--c-surface-alt);border-color:var(--c-border);}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:11px 0;border-bottom:1px solid var(--c-border);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li:first-child{padding-top:0;}
.side-list a{font-size:14.5px;line-height:1.6;color:var(--c-text);display:block;}
.side-list a:hover{color:var(--c-primary);}
.side-meta{font-size:12.5px;color:var(--c-text-3);margin-top:4px;display:block;font-variant-numeric:tabular-nums;}

/* 相关推荐 */
.rel-section{margin-top:56px;}
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.sec-label{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--c-accent);font-weight:600;margin-bottom:10px;}
.rel-head h2{font-size:clamp(22px,2.4vw,28px);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;height:100%;}
.rel-card:hover{border-color:rgba(192,138,78,.55);transform:translateY(-2px);box-shadow:var(--shadow-2);color:inherit;}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-alt);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-tag{font-size:11.5px;letter-spacing:.08em;color:#8A5D26;background:rgba(192,138,78,.16);border-radius:var(--r-badge);padding:3px 9px;align-self:flex-start;}
.rel-title{font-family:var(--font-serif);font-size:16.5px;line-height:1.55;color:var(--c-primary);font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-desc{font-size:13.5px;line-height:1.75;color:var(--c-text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* CTA 带 */
.cta-section{padding-bottom:80px;}
.cta-band{background:var(--c-dark);border-radius:16px;padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--c-accent),rgba(192,138,78,0));}
.cta-band h2{color:var(--c-invert);font-size:clamp(21px,2.4vw,27px);margin-bottom:10px;}
.cta-band p{color:rgba(243,239,230,.75);font-size:14.5px;margin:0;max-width:560px;}
.cta-band .btn-primary{background:var(--c-accent);border-color:var(--c-accent);color:#22190F;flex:0 0 auto;}
.cta-band .btn-primary:hover{background:#D29B60;border-color:#D29B60;color:#22190F;}

/* 页脚 */
.site-footer{background:var(--c-primary-dark);color:rgba(243,239,230,.75);padding:0;position:relative;border-top:1px solid rgba(192,138,78,.55);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 46px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);color:#22190F;}
.footer-brand-name{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-invert);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,239,230,.68);margin:0;max-width:380px;}
.footer-col h4{font-size:14px;color:var(--c-invert);margin-bottom:16px;font-weight:700;letter-spacing:.04em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;}
.footer-contact li{font-size:13.5px;line-height:1.75;color:rgba(243,239,230,.72);margin-bottom:12px;}
.footer-contact strong{display:block;font-size:12px;letter-spacing:.08em;color:rgba(243,239,230,.5);font-weight:600;margin-bottom:2px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid rgba(243,239,230,.14);padding:20px 0 26px;font-size:13px;color:rgba(243,239,230,.6);}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(243,239,230,.35);background:transparent;color:var(--c-invert);font-size:15px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s ease,border-color .2s ease,color .2s ease;}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:#22190F;}

@media (max-width:1199px){
  .nav-links{gap:22px;}
  .article-layout .row{--bs-gutter-x:36px;}
}
@media (max-width:991px){
  .nav-inner{min-height:66px;}
  .article-layout{padding-bottom:64px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;gap:22px;}
  .cta-band .btn{width:100%;}
  .topbar-right a:not(.topbar-cta){display:none;}
  .topbar-right .topbar-sep{display:none;}
}
@media (max-width:767px){
  .container,.container-fluid{padding-left:18px;padding-right:18px;}
  body{font-size:16px;}
  .brand-sub{display:none;}
  .brand-name{font-size:18px;}
  .page-top{padding-top:16px;}
  .article-layout{padding-top:18px;padding-bottom:52px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:21px;margin-top:34px;}
  .article-body h3{font-size:18px;}
  .jump-row{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .rel-head{flex-direction:column;align-items:flex-start;}
  .topbar-left{gap:8px;font-size:11.5px;}
  .topbar-left .topbar-time{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .cta-section{padding-bottom:52px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-desc{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:479px){
  .article-title{font-size:24px;}
  .article-lead{font-size:15px;}
  .badge-cat{font-size:11.5px;}
  .side-card{padding:20px;}
  .cta-band{padding:28px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#14453D;
  --c-primary-dark:#0C2B26;
  --c-primary-light:#2C6355;
  --c-accent:#C08A4E;
  --c-action:#B85C38;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-dark:#12332E;
  --c-text:#1F2724;
  --c-text-2:#5A6660;
  --c-text-3:#8A948E;
  --c-border:#DFD8CB;
  --c-invert:#F3EFE6;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 14px 30px -14px rgba(20,69,61,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{font-family:var(--serif);margin:0;color:var(--c-text);font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(192,138,78,.28);color:var(--c-primary-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
}
.container,.container-fluid{width:100%;max-width:1200px;margin-inline:auto;padding-left:24px;padding-right:24px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:rgba(243,239,230,.8);font-size:12.5px;line-height:1.4}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:nowrap}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.03em;color:#fff;white-space:nowrap}
.topbar-sep{width:1px;height:12px;background:rgba(243,239,230,.28);display:inline-block;flex:0 0 1px}
.topbar-time{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:rgba(243,239,230,.8);white-space:nowrap}
.topbar-link:hover{color:var(--c-accent)}
.topbar-cta{color:var(--c-accent);font-weight:600;white-space:nowrap}
.topbar-cta:hover{color:#E2B279}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030}
.site-nav{
  background:rgba(246,243,236,.97);
  backdrop-filter:blur(8px);
  padding:0;
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-nav.is-scrolled{border-bottom-color:var(--c-border);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:76px}
.navbar-brand.brand{display:flex;align-items:center;gap:12px;margin:0;padding:0;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:var(--c-invert);
  border-radius:9px;font-family:var(--sans);font-weight:700;font-size:15px;letter-spacing:.06em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.04em}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;padding:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--c-border);border-radius:8px;background:transparent;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-links-wrap{flex:1 1 auto;justify-content:center}
.nav-links{display:flex;align-items:center;gap:28px;flex-direction:row}
.nav-links .nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-text);line-height:1.6;
}
.nav-links .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link.active{color:var(--c-primary)}
.nav-links .nav-link:hover::after,.nav-links .nav-link.active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto;align-items:center}
.btn-main,.btn-ghost,.btn-invert,.btn-sm-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  border:1px solid transparent;cursor:pointer;text-align:center;
}
.btn-main{background:var(--c-primary);color:var(--c-invert);border-color:var(--c-primary)}
.btn-main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:rgba(20,69,61,.08);color:var(--c-primary-dark)}
.btn-invert{background:var(--c-invert);color:var(--c-primary-dark);border-color:var(--c-invert)}
.btn-invert:hover{background:#fff;color:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(0,0,0,.4)}
.btn-sm-main{height:42px;padding:0 20px;font-size:14px;background:var(--c-primary);color:var(--c-invert);border-color:var(--c-primary)}
.btn-sm-main:hover{background:var(--c-primary-dark);color:#fff}

/* ---------- 移动端抽屉 ---------- */
.mobile-nav{width:320px;background:var(--c-bg);border-left:1px solid var(--c-border)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-border);padding:16px 18px}
.mobile-nav .offcanvas-body{padding:0 18px 28px}
.mobile-brand{display:flex;align-items:center;gap:10px}
.mobile-nav .btn-close{opacity:.55}
.mobile-nav .btn-close:hover{opacity:.9}
.mobile-nav-list li{border-bottom:1px solid var(--c-border)}
.mobile-nav-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:15px;font-weight:500;color:var(--c-text);
}
.mobile-nav-list a:hover,.mobile-nav-list a.active{color:var(--c-primary)}
.mobile-nav-list a.active::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.mobile-nav-foot{padding-top:22px;display:grid;gap:14px}
.mobile-nav-note{font-size:12.5px;color:var(--c-text-3);line-height:1.7}

/* ---------- 页头 ---------- */
.page-hero{padding:26px 0 0}
.crumb{font-size:13px;color:var(--c-text-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:0 0 18px}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-text-3)}
.crumb .current{color:var(--c-primary);font-weight:600}
.hero-panel{
  display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;
  padding:36px 38px;box-shadow:var(--sh-1);
  background-image:linear-gradient(rgba(20,69,61,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,61,.035) 1px,transparent 1px);
  background-size:34px 34px;
}
.hero-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--c-accent);text-transform:uppercase;margin-bottom:14px;
}
.hero-label::before{content:"";width:16px;height:2px;background:var(--c-accent);display:inline-block}
.hero-title{font-size:clamp(28px,3.5vw,44px);line-height:1.3;color:var(--c-primary-dark);max-width:16em}
.hero-lead{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--c-text-2);max-width:36em}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:22px;font-size:13.5px;color:var(--c-text-2)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero-figure{margin:0;position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-border);min-height:210px}
.hero-figure img{width:100%;height:100%;min-height:210px;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;left:0;bottom:0;width:64px;height:64px;background:var(--c-accent);opacity:.92;
  border-radius:0 var(--r-badge) 0 0;
}

/* ---------- 主体布局 ---------- */
.main-wrap{padding:56px 0 88px}
.panel{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1)}
.panel + .panel{margin-top:28px}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--c-accent);margin-bottom:10px}
.section-label::before{content:"";width:3px;height:14px;background:var(--c-accent);border-radius:2px;display:inline-block}
.panel-title{font-size:clamp(22px,2.4vw,28px);line-height:1.4;color:var(--c-primary-dark)}
.panel-sub{margin-top:10px;font-size:15px;color:var(--c-text-2);line-height:1.85;max-width:44em}

/* ---------- 步骤时间线 ---------- */
.step-list{position:relative;margin-top:30px}
.step-item{position:relative;padding-left:62px;padding-bottom:32px}
.step-item:last-child{padding-bottom:0}
.step-item::before{
  content:"";position:absolute;left:18px;top:42px;bottom:6px;width:1px;background:var(--c-border);
}
.step-item:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--c-accent);background:var(--c-surface);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-title{font-size:20px;line-height:1.45;color:var(--c-primary-dark)}
.step-desc{margin-top:8px;font-size:16px;line-height:1.85;color:var(--c-text-2)}
.step-note{
  margin-top:14px;background:var(--c-surface-alt);border:1px solid var(--c-border);
  border-left:3px solid var(--c-primary);border-radius:8px;
  padding:12px 16px;font-size:14px;line-height:1.78;color:var(--c-text-2);
}
.step-note strong{color:var(--c-primary);font-weight:600;margin-right:6px}
.step-actions{margin-top:28px}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1fr .82fr;gap:34px;align-items:center;margin-top:26px}
.prep-list{display:grid;gap:14px}
.prep-item{display:flex;gap:14px;padding:14px 16px;border:1px solid var(--c-border);border-radius:10px;background:var(--c-bg)}
.prep-item .mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:6px;
  background:rgba(20,69,61,.08);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-family:var(--serif);margin-top:2px;
}
.prep-item h3{font-size:16px;line-height:1.5;color:var(--c-text)}
.prep-item p{font-size:14px;line-height:1.8;color:var(--c-text-2);margin:4px 0 0}
.prep-figure{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-border);box-shadow:var(--sh-1)}
.prep-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- 排查条 ---------- */
.trouble-band{background:var(--c-surface-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);padding:56px 0;margin-top:28px}
.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:26px}
.trouble-item{padding:0 26px;border-left:1px solid rgba(20,69,61,.14)}
.trouble-item:first-child{padding-left:0;border-left:0}
.trouble-item .idx{
  font-family:var(--serif);font-size:22px;color:var(--c-accent);font-weight:700;
  font-variant-numeric:tabular-nums;display:block;margin-bottom:8px;
}
.trouble-item h3{font-size:17px;line-height:1.5;color:var(--c-primary-dark)}
.trouble-item p{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin-top:8px}

/* ---------- FAQ ---------- */
.faq-block{padding:0}
.faq-list{margin-top:24px;border-top:1px solid var(--c-border)}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-border)}
.accordion-button{
  position:relative;width:100%;display:block;text-align:left;
  background:transparent;border:0;box-shadow:none;
  padding:20px 52px 20px 0;
  font-family:var(--sans);font-size:17px;font-weight:600;line-height:1.6;color:var(--c-text);
  transition:color .2s ease;
}
.accordion-button:hover{color:var(--c-primary)}
.accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none}
.accordion-button::after{display:none}
.faq-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;border:1px solid var(--c-border);
  background:transparent;transition:background-color .2s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transition:transform .2s ease,opacity .2s ease,background-color .2s ease;
}
.faq-icon::before{width:11px;height:1.5px;transform:translate(-50%,-50%)}
.faq-icon::after{width:1.5px;height:11px;transform:translate(-50%,-50%)}
.accordion-button:not(.collapsed) .faq-icon{background:var(--c-accent);border-color:var(--c-accent)}
.accordion-button:not(.collapsed) .faq-icon::before,
.accordion-button:not(.collapsed) .faq-icon::after{background:#fff}
.accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.accordion-body{padding:0 52px 22px 0;font-size:16px;line-height:1.88;color:var(--c-text-2)}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px}
.side-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-card + .side-card{margin-top:22px}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:700;color:var(--c-primary-dark);
  padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--c-border);
}
.side-title::before{content:"";width:3px;height:13px;background:var(--c-accent);border-radius:2px}
.side-nav-list li + li{border-top:1px dashed var(--c-border)}
.side-nav-list a{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:8px 0 8px 14px;font-size:15px;color:var(--c-text-2);
  transition:color .2s ease,padding-left .2s ease;
}
.side-nav-list a:hover{color:var(--c-primary);padding-left:18px}
.side-nav-list a.active{color:var(--c-primary);font-weight:600}
.side-nav-list a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--c-accent);border-radius:2px;
}
.side-nav-list .arrow{color:var(--c-text-3);font-size:13px}
.side-hot a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;font-size:14px;color:var(--c-text-2);border-bottom:1px solid var(--c-border);
  transition:color .2s ease,transform .2s ease;
}
.side-hot li:last-child a{border-bottom:0}
.side-hot a:hover{color:var(--c-primary);transform:translateX(3px)}
.side-cta{background:rgba(20,69,61,.06);border-color:rgba(20,69,61,.14)}
.side-cta h3{font-size:17px;line-height:1.5;color:var(--c-primary-dark)}
.side-cta p{font-size:13.5px;line-height:1.8;color:var(--c-text-2);margin:8px 0 16px}
.side-cta .btn-main{width:100%;height:44px;padding:0 16px;font-size:14px}
.side-note{font-size:12.5px;color:var(--c-text-3);line-height:1.75;margin-top:12px}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-dark);color:var(--c-invert);padding:56px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border:1px solid rgba(192,138,78,.28);border-radius:50%;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:1}
.cta-inner h2{color:var(--c-invert);font-size:clamp(22px,2.4vw,30px);line-height:1.4}
.cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(243,239,230,.76);max-width:44em}
.cta-actions{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(243,239,230,.75);position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--c-accent),rgba(192,138,78,0))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:32px;padding:62px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:var(--c-accent);color:var(--c-primary-dark);width:34px;height:34px;flex:0 0 34px;font-size:13px}
.footer-brand-name{font-family:var(--serif);font-size:18px;font-weight:700;color:var(--c-invert)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,239,230,.68);margin-top:14px;max-width:26em}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--c-invert);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:14px;color:rgba(243,239,230,.78);line-height:1.7}
.footer-contact strong{display:block;font-size:12px;font-weight:500;color:rgba(243,239,230,.48);letter-spacing:.06em;margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(243,239,230,.14);
  padding:18px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(243,239,230,.55);
}
.to-top{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  border:1px solid rgba(243,239,230,.3);background:transparent;color:rgba(243,239,230,.82);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-dark)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-inner{height:68px}
  .hero-panel{grid-template-columns:1fr;gap:26px;padding:28px 26px}
  .hero-figure{min-height:180px}
  .hero-figure img{min-height:180px;aspect-ratio:16/9}
  .panel{padding:26px}
  .prep-grid{grid-template-columns:1fr;gap:24px}
  .prep-figure{order:-1}
  .prep-figure img{aspect-ratio:16/9}
  .trouble-grid{grid-template-columns:1fr;gap:22px}
  .trouble-item{padding:0 0 0 16px;border-left:0;border-top:0;border-left:1px solid rgba(20,69,61,.14)}
  .trouble-item:first-child{padding-left:16px}
  .sidebar{position:static;margin-top:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn-main{width:100%}
}
@media (max-width:767.98px){
  .container,.container-fluid{padding-left:18px;padding-right:18px}
  .topbar-right{display:none}
  .topbar-inner{min-height:34px;font-size:12px}
  .page-hero{padding-top:18px}
  .hero-panel{padding:22px 20px;border-radius:12px}
  .hero-title{max-width:none}
  .panel{padding:22px 18px;border-radius:12px}
  .main-wrap{padding:36px 0 60px}
  .step-item{padding-left:52px;padding-bottom:26px}
  .step-num{width:34px;height:34px;font-size:13px}
  .step-item::before{left:16px;top:38px}
  .step-title{font-size:18px}
  .step-desc{font-size:15px}
  .accordion-button{font-size:16px;padding-right:44px}
  .accordion-body{padding-right:0;font-size:15px}
  .faq-icon{width:26px;height:26px}
  .trouble-band{padding:42px 0}
  .cta-band{padding:42px 0}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px;gap:26px}
  .footer-col:last-child{grid-column:auto}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;padding-bottom:24px}
  .to-top{align-self:flex-end;margin-top:4px}
}
@media (max-width:479.98px){
  body{font-size:15.5px}
  .brand-name{font-size:18px}
  .brand-sub{font-size:10.5px}
  .hero-points{font-size:13px}
  .btn-main,.btn-invert{height:46px;padding:0 20px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --c-primary:#14453D;--c-primary-dark:#0C2B26;--c-primary-light:#2C6355;
  --c-accent:#C08A4E;--c-action:#B85C38;
  --c-bg:#F6F3EC;--c-surface:#FFFFFF;--c-surface-alt:#EFEAE0;--c-dark:#12332E;
  --c-text:#1F2724;--c-text-2:#5A6660;--c-text-3:#8A948E;
  --c-border:#DFD8CB;--c-inverse:#F3EFE6;
  --r-card:14px;--r-img:12px;--r-ctrl:10px;--r-badge:6px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 14px 30px -14px rgba(20,69,61,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--font-sans);font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-primary);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1em;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,border-color .22s ease;}
a:hover{color:var(--c-action);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--maxw);padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:rgba(243,239,230,.8);font-size:12.5px;line-height:36px;height:36px;overflow:hidden;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-domain{color:var(--c-inverse);font-weight:600;letter-spacing:.02em;}
.topbar-sep{width:1px;height:12px;background:rgba(243,239,230,.28);display:inline-block;}
.topbar-right a{color:rgba(243,239,230,.8);font-size:12.5px;}
.topbar-right a:hover{color:var(--c-inverse);text-decoration:underline;text-underline-offset:3px;}
.topbar-cta{color:var(--c-accent)!important;font-weight:600;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-bg);transition:box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent;}
.site-header.is-stuck{background:rgba(246,243,236,.97);border-bottom:1px solid var(--c-border);box-shadow:0 6px 18px -12px rgba(20,69,61,.5);}
.site-nav{padding:0;background:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;padding:0;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:9px;background:var(--c-primary);color:var(--c-inverse);
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:15px;font-weight:700;letter-spacing:.06em;box-shadow:inset 0 0 0 1px rgba(192,138,78,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-primary);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.04em;}
.nav-links-wrap{flex:1 1 auto;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:26px;flex-direction:row;}
.nav-links .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--c-text-2);
  line-height:1.6;background:none;
}
.nav-links .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{color:var(--c-primary);}
.nav-links .nav-link:hover::after,.nav-links .nav-link.active::after{transform:scaleX(1);}
.nav-links .nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-cta{align-items:center;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-ctrl);
  font-family:var(--font-sans);font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  padding:0 26px;height:48px;border:1px solid transparent;transition:all .22s ease;text-decoration:none;cursor:pointer;}
.btn-primary{background:var(--c-primary);color:var(--c-inverse);box-shadow:var(--sh-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-dark);color:var(--c-inverse);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover,.btn-outline:focus{background:rgba(20,69,61,.08);color:var(--c-primary);transform:translateY(-2px);}
.btn-sm-main{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(20,69,61,.4);padding-bottom:2px;transition:all .22s ease;}
.link-arrow:hover{color:var(--c-accent);border-bottom-width:2px;border-bottom-color:var(--c-accent);}
.link-arrow i{font-size:12px;transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:18px 0 0;}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin:0;}
.breadcrumbs li{display:flex;align-items:center;gap:8px;}
.breadcrumbs li+li::before{content:"/";color:var(--c-text-3);}
.breadcrumbs a{color:var(--c-text-2);}
.breadcrumbs a:hover{color:var(--c-accent);}
.breadcrumbs .current{color:var(--c-primary);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{padding:26px 0 56px;}
.page-hero-card{
  position:relative;overflow:hidden;border:1px solid var(--c-border);border-radius:16px;
  background:var(--c-surface);box-shadow:var(--sh-1);
}
.page-hero-grid{display:grid;grid-template-columns:1.25fr .75fr;align-items:stretch;}
.page-hero-body{padding:44px 44px 46px;position:relative;z-index:2;}
.hero-label{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--c-accent);
  font-weight:600;margin-bottom:16px;}
.hero-label::before{content:"";width:14px;height:2px;background:var(--c-accent);display:inline-block;}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.3;margin-bottom:16px;}
.page-hero-lead{font-size:16.5px;color:var(--c-text-2);line-height:1.8;max-width:34em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--c-text-2);}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust span+span{padding-left:14px;border-left:1px solid var(--c-border);}
.hero-trust i{color:var(--c-accent);font-size:12px;}
.page-hero-media{position:relative;background:var(--c-surface-alt);min-height:280px;}
.page-hero-media img{width:100%;height:100%;object-fit:cover;}
.page-hero-media::after{content:"";position:absolute;left:0;top:0;bottom:0;width:64px;
  background:linear-gradient(90deg,var(--c-surface),rgba(255,255,255,0));}

/* ---------- 布局 ---------- */
.section{padding:56px 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.content-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start;}
.sec-head{max-width:660px;margin-bottom:34px;}
.sec-label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--c-accent);margin-bottom:10px;}
.sec-label::before{content:"";display:inline-block;width:3px;height:12px;background:var(--c-accent);border-radius:2px;margin-right:8px;vertical-align:-1px;}
.sec-title{font-size:clamp(23px,2.4vw,31px);line-height:1.38;margin-bottom:12px;}
.sec-desc{font-size:15.5px;color:var(--c-text-2);margin:0;}

/* ---------- 风险图文卡 ---------- */
.risk-list{display:flex;flex-direction:column;gap:26px;}
.risk-item{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.risk-item:hover{border-color:rgba(192,138,78,.45);box-shadow:var(--sh-2);transform:translateY(-2px);}
.risk-item.reverse .risk-media{order:2;}
.risk-media{position:relative;overflow:hidden;background:var(--c-surface-alt);aspect-ratio:4/3;}
.risk-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.risk-item:hover .risk-media img{transform:scale(1.02);}
.risk-badge{
  position:absolute;left:14px;top:14px;background:rgba(12,43,38,.86);color:var(--c-inverse);
  font-size:12px;font-weight:600;letter-spacing:.04em;padding:5px 11px;border-radius:var(--r-badge);
  backdrop-filter:blur(4px);
}
.risk-body{padding:28px 30px;display:flex;flex-direction:column;justify-content:center;}
.risk-body h3{font-size:20px;line-height:1.45;margin-bottom:10px;}
.risk-body p{font-size:15px;color:var(--c-text-2);margin-bottom:14px;}
.risk-points{display:flex;flex-direction:column;gap:7px;}
.risk-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--c-text-2);line-height:1.7;}
.risk-points li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--c-accent);}

/* ---------- 通栏提示条 ---------- */
.alert-band{
  display:flex;gap:16px;align-items:flex-start;background:var(--c-surface-alt);
  border:1px solid var(--c-border);border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);padding:22px 26px;
}
.alert-band i{color:var(--c-accent);font-size:20px;line-height:1.6;flex:0 0 auto;}
.alert-band h4{font-size:16.5px;margin-bottom:6px;font-family:var(--font-sans);font-weight:700;color:var(--c-primary);}
.alert-band p{margin:0;font-size:14.5px;color:var(--c-text-2);line-height:1.8;}

/* ---------- 自查步骤 ---------- */
.steps{border-top:1px solid var(--c-border);}
.step-row{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--c-border);transition:transform .22s ease,background .22s ease;
}
.step-row:hover{transform:translateX(4px);background:rgba(255,255,255,.6);}
.step-num{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.step-main h4{font-family:var(--font-sans);font-size:17px;font-weight:700;color:var(--c-primary);margin-bottom:4px;}
.step-main p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.75;}
.step-row i{color:var(--c-text-3);font-size:14px;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);}
.side-title{font-family:var(--font-sans);font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--c-text-3);
  text-transform:none;margin-bottom:14px;}
.side-nav li+li{border-top:1px solid var(--c-border);}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0 12px 12px;
  font-size:15px;color:var(--c-text-2);border-left:3px solid transparent;transition:all .2s ease;}
.side-nav a:hover{color:var(--c-primary);padding-left:14px;}
.side-nav a.is-current{color:var(--c-primary);font-weight:700;border-left-color:var(--c-accent);background:rgba(192,138,78,.07);}
.side-nav a i{font-size:12px;color:var(--c-text-3);}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-border);}
.side-list a{display:block;font-size:14.5px;color:var(--c-text);font-weight:600;line-height:1.65;}
.side-list a:hover{color:var(--c-action);}
.side-list span{display:block;font-size:12.5px;color:var(--c-text-3);margin-top:4px;}
.side-contact{background:rgba(20,69,61,.06);border:1px solid var(--c-border);}
.side-contact h4{font-family:var(--font-sans);font-size:16px;font-weight:700;color:var(--c-primary);margin-bottom:8px;}
.side-contact p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:16px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq{border-top:1px solid var(--c-border);}
.faq .accordion-item{border:0;border-bottom:1px solid var(--c-border);background:transparent;}
.faq .accordion-button{
  background:transparent;box-shadow:none;padding:20px 0;font-family:var(--font-sans);
  font-size:16.5px;font-weight:600;color:var(--c-text);line-height:1.7;gap:16px;align-items:flex-start;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);}
.faq .accordion-button::after{display:none;}
.faq .accordion-button .faq-icon{
  margin-left:auto;flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--c-border);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--c-primary);
  transition:all .22s ease;
}
.faq .accordion-button:not(.collapsed) .faq-icon{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.faq .accordion-body{padding:0 0 22px;font-size:15.5px;color:var(--c-text-2);line-height:1.85;max-width:760px;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-dark);color:var(--c-inverse);padding:44px 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:0;top:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(192,138,78,0),var(--c-accent),rgba(192,138,78,0));}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:var(--c-inverse);font-size:clamp(21px,2.2vw,27px);margin-bottom:8px;}
.cta-inner p{margin:0;font-size:15px;color:rgba(243,239,230,.78);max-width:52ch;}
.cta-inner .btn-primary{background:var(--c-action);flex:0 0 auto;}
.cta-inner .btn-primary:hover{background:#a34e2d;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(243,239,230,.78);padding:60px 0 0;position:relative;}
.site-footer::before{content:"";position:absolute;left:0;top:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(192,138,78,.15),var(--c-accent),rgba(192,138,78,.15));}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);color:var(--c-primary-dark);box-shadow:none;}
.footer-brand-name{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-inverse);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,239,230,.7);margin:0;max-width:34em;}
.footer-col h4{font-family:var(--font-sans);font-size:14px;font-weight:700;color:var(--c-inverse);
  letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:14px;color:rgba(243,239,230,.75);line-height:1.8;}
.footer-contact strong{display:block;font-size:12.5px;font-weight:600;color:rgba(243,239,230,.5);letter-spacing:.04em;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(243,239,230,.14);padding:20px 0 24px;font-size:13px;color:rgba(243,239,230,.6);}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(243,239,230,.35);
  background:transparent;color:var(--c-inverse);font-size:15px;line-height:1;display:inline-flex;
  align-items:center;justify-content:center;transition:all .22s ease;cursor:pointer;}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-dark);}

/* ---------- 移动端导航 ---------- */
.mobile-nav{background:var(--c-bg);width:320px!important;}
.mobile-nav .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--c-border);}
.mobile-nav .offcanvas-header .brand-name{font-size:18px;}
.mobile-nav .btn-close{opacity:.6;}
.mobile-nav .offcanvas-body{padding:8px 22px 28px;display:flex;flex-direction:column;}
.m-nav-list li{border-bottom:1px solid var(--c-border);}
.m-nav-list a{display:flex;align-items:center;justify-content:space-between;min-height:52px;
  font-size:15.5px;font-weight:500;color:var(--c-text-2);}
.m-nav-list a.active{color:var(--c-primary);font-weight:700;}
.m-nav-list i{font-size:12px;color:var(--c-text-3);}
.m-cta{margin-top:22px;}
.m-contact{font-size:13px;color:var(--c-text-3);margin:16px 0 0;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .content-layout{grid-template-columns:1fr;gap:36px;}
  .side-col{position:static;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .side-col .side-card:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-inner{min-height:68px;}
  .page-hero-grid{grid-template-columns:1fr;}
  .page-hero-media{min-height:200px;max-height:240px;order:-1;}
  .page-hero-media::after{display:none;}
  .page-hero-body{padding:32px 28px 36px;}
  .section{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .risk-item,.risk-item.reverse{grid-template-columns:1fr;}
  .risk-item.reverse .risk-media{order:0;}
  .risk-media{aspect-ratio:16/9;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px;}
  .cta-inner .btn-primary{width:100%;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .topbar-right{display:none;}
  .topbar-left{font-size:12px;}
  .page-hero{padding:20px 0 40px;}
  .step-row{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .step-row i{display:none;}
  .step-num{font-size:19px;}
  .side-col{grid-template-columns:1fr;}
  .alert-band{flex-direction:column;gap:10px;padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .risk-body{padding:22px;}
}
@media (max-width:479.98px){
  .page-hero-body{padding:26px 20px 30px;}
  .hero-actions .btn{width:100%;}
  .brand-sub{display:none;}
  .hero-trust span+span{padding-left:0;border-left:0;}
  .risk-body h3{font-size:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#14453D;
  --c-primary-dark:#0C2B26;
  --c-primary-light:#2C6355;
  --c-accent:#C08A4E;
  --c-action:#B85C38;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-dark:#12332E;
  --c-text:#1F2724;
  --c-text-2:#5A6660;
  --c-text-3:#8A948E;
  --c-border:#DFD8CB;
  --c-inverse:#F3EFE6;
  --r-card:14px;
  --r-img:12px;
  --r-field:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,69,61,.06);
  --sh-2:0 14px 30px -14px rgba(20,69,61,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --gap:28px;
  --sec-pad:96px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,border-color .22s ease;}
a:hover{color:var(--c-action);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--c-primary-dark);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}

.container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}

:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-primary-dark);
  color:rgba(243,239,230,.8);
  font-size:12.5px;
  line-height:36px;
  letter-spacing:.02em;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-left .divider,.topbar-right .divider{
  width:1px;height:12px;background:rgba(243,239,230,.28);display:inline-block;
}
.topbar a{color:rgba(243,239,230,.8);}
.topbar a:hover{color:var(--c-accent);}
.topbar .topbar-cta{color:var(--c-accent);font-weight:600;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#FBF9F4;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--c-border);
  box-shadow:0 8px 20px -16px rgba(20,69,61,.55);
}
.site-nav{padding:0;background:transparent;}
.nav-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:0;
  margin-right:auto;
}
.brand-mark{
  width:40px;height:40px;
  flex:0 0 40px;
  border-radius:10px;
  background:var(--c-primary);
  color:var(--c-inverse);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-serif);
  font-size:16px;
  font-weight:700;
  letter-spacing:.06em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  color:var(--c-primary-dark);
  letter-spacing:.02em;
}
.brand-sub{
  font-size:11px;
  color:var(--c-text-3);
  letter-spacing:.04em;
}
.nav-links-wrap{flex:1 1 auto;justify-content:center;}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  flex-direction:row;
}
.nav-links .nav-link{
  position:relative;
  padding:8px 0;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  line-height:1.6;
}
.nav-links .nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-links .nav-link:hover,
.nav-links .nav-link.active{color:var(--c-primary);}
.nav-links .nav-link:hover::after,
.nav-links .nav-link.active::after{transform:scaleX(1);}
.nav-cta{flex:0 0 auto;align-items:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-field);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  cursor:pointer;
  text-align:center;
}
.btn-primary,
.btn.btn-primary{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:var(--c-inverse);
  box-shadow:var(--sh-1);
}
.btn-primary:hover,
.btn.btn-primary:hover{
  background:var(--c-primary-dark);
  border-color:var(--c-primary-dark);
  color:var(--c-inverse);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-primary:active,
.btn.btn-primary:active{
  transform:translateY(0);
  box-shadow:var(--sh-1);
}
.btn-ghost,
.btn.btn-ghost{
  background:transparent;
  border:1px solid var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost:hover,
.btn.btn-ghost:hover{
  background:rgba(20,69,61,.08);
  color:var(--c-primary-dark);
  border-color:var(--c-primary-dark);
}
.btn-sm-main{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-primary);
  padding-bottom:2px;
}
.link-arrow:hover{color:var(--c-accent);border-bottom-width:2px;border-color:var(--c-accent);}

/* ---------- 通用标签 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-accent);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:2px;height:14px;
  background:var(--c-accent);
  display:inline-block;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(192,138,78,.14);
  color:#8A5E2C;
  border-radius:var(--r-badge);
  padding:4px 10px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid var(--c-border);
  background:var(--c-surface);
  border-radius:999px;
  padding:6px 14px;
  font-size:13px;
  color:var(--c-text-2);
}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{
  padding:18px 0 6px;
  font-size:13px;
  color:var(--c-text-3);
}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-bar li{display:flex;align-items:center;gap:8px;}
.breadcrumb-bar li:not(:last-child)::after{content:"/";color:#B9B0A0;}
.breadcrumb-bar a{color:var(--c-text-2);}
.breadcrumb-bar a:hover{color:var(--c-primary);}
.breadcrumb-bar .current{color:var(--c-primary);font-weight:600;}

/* ---------- 页面头部 Hero ---------- */
.page-hero{
  position:relative;
  padding:34px 0 64px;
  background:
    linear-gradient(rgba(246,243,236,.92),rgba(246,243,236,.92)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-bottom:1px solid var(--c-border);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(192,138,78,.16),rgba(192,138,78,0) 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.28;
  margin-bottom:18px;
  max-width:16em;
}
.hero-lead{
  font-size:17px;
  color:var(--c-text-2);
  max-width:34em;
  margin-bottom:24px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--sh-2);
  background:var(--c-surface-alt);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure .figure-tag{
  position:absolute;
  left:16px;top:16px;
  background:rgba(12,43,38,.86);
  color:var(--c-inverse);
  font-size:12.5px;
  letter-spacing:.06em;
  padding:6px 12px;
  border-radius:var(--r-badge);
}
.hero-accent{
  position:absolute;
  left:-10px;bottom:-10px;
  width:64px;height:64px;
  background:var(--c-accent);
  border-radius:10px;
  z-index:0;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{
  max-width:660px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(23px,2.5vw,32px);
  line-height:1.36;
  margin-bottom:12px;
}
.section-head p{color:var(--c-text-2);font-size:16px;margin:0;}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 主体分栏 ---------- */
.main-grid{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:36px;
  align-items:start;
}
.panel{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:30px 32px;
  box-shadow:var(--sh-1);
  margin-bottom:28px;
}
.panel:last-child{margin-bottom:0;}
.panel-title{
  font-size:22px;
  margin-bottom:8px;
}
.panel-sub{
  font-size:14.5px;
  color:var(--c-text-3);
  margin-bottom:22px;
}

/* 编号行式列表 */
.plan-list{border-top:1px solid var(--c-border);}
.plan-row{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) 32px;
  gap:18px;
  align-items:start;
  padding:22px 0;
  border-bottom:1px solid var(--c-border);
  transition:transform .22s ease;
}
.plan-row:hover{transform:translateX(4px);}
.plan-num{
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:700;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  line-height:1.4;
}
.plan-body h3{
  font-size:19px;
  margin-bottom:6px;
  line-height:1.5;
}
.plan-body p{
  font-size:15px;
  color:var(--c-text-2);
  margin:0 0 10px;
  line-height:1.8;
}
.plan-note{
  border:1px solid var(--c-border);
  border-left:3px solid var(--c-primary);
  background:#FAF8F3;
  border-radius:8px;
  padding:10px 14px;
  font-size:13.5px;
  color:var(--c-text-2);
  line-height:1.7;
}
.plan-go{
  align-self:center;
  color:var(--c-text-3);
  font-size:16px;
  transition:color .22s ease,transform .22s ease;
}
.plan-row:hover .plan-go{color:var(--c-accent);transform:translateX(3px);}

/* 对比表 */
.table-scroll{
  overflow-x:auto;
  border-radius:12px;
  border:1px solid var(--c-border);
  background:var(--c-surface);
  -webkit-overflow-scrolling:touch;
}
.spec-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:14.5px;
  margin:0;
}
.spec-table caption{
  caption-side:top;
  text-align:left;
  padding:14px 18px;
  font-size:13.5px;
  color:var(--c-text-3);
}
.spec-table thead th{
  background:#E7EFEC;
  color:var(--c-primary-dark);
  font-family:var(--font-sans);
  font-weight:700;
  font-size:14px;
  letter-spacing:.02em;
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--c-border);
  white-space:nowrap;
}
.spec-table tbody th{
  padding:14px 18px;
  text-align:left;
  font-weight:600;
  color:var(--c-primary-dark);
  background:#FBF9F4;
  border-bottom:1px solid var(--c-border);
  white-space:nowrap;
}
.spec-table tbody td{
  padding:14px 18px;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);
  vertical-align:top;
}
.spec-table tbody tr:nth-child(even) th,
.spec-table tbody tr:nth-child(even) td{background:#FBF9F4;}
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td{border-bottom:0;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px;
  margin-bottom:22px;
  box-shadow:var(--sh-1);
}
.side-card:last-child{margin-bottom:0;}
.side-title{
  font-size:16.5px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-border);
  letter-spacing:.02em;
}
.side-nav li + li{margin-top:2px;}
.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 12px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--c-text-2);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-nav a:hover{background:#F7F4ED;color:var(--c-primary);}
.side-nav a.is-current{
  color:var(--c-primary);
  font-weight:600;
  background:#F1F5F3;
  border-left-color:var(--c-accent);
}
.side-nav a i{font-size:12px;color:#B9B0A0;}
.side-nav a.is-current i{color:var(--c-accent);}
.hot-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-border);}
.hot-list a{display:block;font-size:14.5px;line-height:1.6;color:var(--c-text);font-weight:500;}
.hot-list a:hover{color:var(--c-primary);}
.hot-list .hot-meta{display:block;margin-top:6px;font-size:12.5px;color:var(--c-text-3);}
.contact-card{
  background:#E9F0ED;
  border:1px solid #D5E2DD;
  border-radius:var(--r-card);
  padding:24px;
}
.contact-card h3{font-size:17px;margin-bottom:10px;}
.contact-card p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
.contact-card .contact-line{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--c-text-2);
  margin-bottom:8px;
}
.contact-card .contact-line i{color:var(--c-primary-light);font-size:13px;}

/* ---------- 适用场景 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.scene-card{
  display:grid;
  grid-template-columns:150px minmax(0,1fr);
  gap:20px;
  align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.scene-card:hover{
  border-color:rgba(192,138,78,.4);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.scene-thumb{
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--c-surface-alt);
}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.scene-card:hover .scene-thumb img{transform:scale(1.03);}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--c-text-2);margin:0;}

/* ---------- 流程 ---------- */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--c-border);
}
.step-item{
  padding:28px 24px 8px 0;
  border-right:1px solid var(--c-border);
  position:relative;
}
.step-item:last-child{border-right:0;padding-right:0;}
.step-item::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:38px;height:3px;
  background:var(--c-accent);
}
.step-index{
  font-family:var(--font-serif);
  font-size:15px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.1em;
  display:block;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--c-text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-item:first-child{border-top:1px solid var(--c-border);}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:22px 0;
  background:none;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  line-height:1.6;
  transition:color .22s ease;
  min-height:44px;
}
.faq-question:hover{color:var(--c-primary);}
.faq-question[aria-expanded="true"]{color:var(--c-primary);}
.faq-icon{
  flex:0 0 28px;
  width:28px;height:28px;
  border:1px solid var(--c-border);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--c-primary);
  font-size:13px;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.faq-question[aria-expanded="true"] .faq-icon{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#fff;
  transform:rotate(180deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-answer-inner{
  padding:0 56px 24px 0;
  font-size:15.5px;
  line-height:1.9;
  color:var(--c-text-2);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);
  color:var(--c-inverse);
  border-top:1px solid rgba(192,138,78,.5);
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{
  color:var(--c-inverse);
  font-size:clamp(22px,2.4vw,30px);
  margin-bottom:10px;
  line-height:1.4;
}
.cta-inner p{
  color:rgba(243,239,230,.72);
  font-size:15px;
  max-width:44em;
  margin:0;
}
.cta-band .btn-primary{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#20180E;
}
.cta-band .btn-primary:hover{
  background:#D19E62;
  border-color:#D19E62;
  color:#20180E;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-dark);
  color:rgba(243,239,230,.78);
  padding:64px 0 0;
  border-top:2px solid var(--c-accent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);color:#20180E;}
.footer-brand-name{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  color:var(--c-inverse);
  letter-spacing:.02em;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,239,230,.68);margin:0;max-width:32em;}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:700;
  color:var(--c-inverse);
  letter-spacing:.08em;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  font-size:13.5px;
  color:rgba(243,239,230,.7);
  line-height:1.8;
  margin-bottom:10px;
}
.footer-contact strong{
  display:block;
  font-size:12px;
  color:rgba(243,239,230,.5);
  font-weight:500;
  letter-spacing:.08em;
}
.footer-bottom{
  border-top:1px solid rgba(243,239,230,.14);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(243,239,230,.6);
}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(243,239,230,.32);
  background:transparent;
  color:var(--c-inverse);
  font-size:15px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .22s ease,border-color .22s ease,color .22s ease;
}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:#20180E;}

/* ---------- 移动端 offcanvas ---------- */
.offcanvas.mobile-nav{
  width:320px;
  background:#FBF9F4;
  border-left:1px solid var(--c-border);
}
.mobile-nav .offcanvas-header{
  border-bottom:1px solid var(--c-border);
  padding:18px 20px;
}
.mobile-nav .offcanvas-body{padding:0;display:flex;flex-direction:column;}
.mobile-links{padding:8px 0;flex:1 1 auto;}
.mobile-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 20px;
  font-size:15px;
  color:var(--c-text-2);
  border-bottom:1px solid #EDE7DB;
}
.mobile-links a:hover,.mobile-links a.active{color:var(--c-primary);font-weight:600;}
.mobile-links a.active::after{content:"●";font-size:8px;color:var(--c-accent);}
.mobile-foot{
  padding:20px;
  border-top:1px solid var(--c-border);
  background:#F3EFE6;
}
.mobile-foot .btn{width:100%;}
.mobile-foot p{font-size:12.5px;color:var(--c-text-3);margin:12px 0 0;line-height:1.7;}

.nav-toggle{
  width:44px;height:44px;
  border:1px solid var(--c-border);
  border-radius:10px;
  background:var(--c-surface);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-pad:80px;}
  .nav-links{gap:20px;}
  .hero-grid{gap:36px;}
}

@media (max-width:991.98px){
  :root{--sec-pad:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{max-width:560px;aspect-ratio:16/9;}
  .main-grid{grid-template-columns:1fr;gap:28px;}
  .scene-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-item{padding:26px 20px 16px 0;}
  .step-item:nth-child(2n){border-right:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767.98px){
  :root{--sec-pad:52px;}
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .topbar{font-size:12px;line-height:34px;}
  .topbar-right a:not(.topbar-cta){display:none;}
  .topbar-right .divider{display:none;}
  .nav-inner{min-height:66px;gap:12px;}
  .brand-mark{width:36px;height:36px;flex-basis:36px;font-size:14px;border-radius:9px;}
  .brand-name{font-size:17px;}
  .brand-sub{font-size:10.5px;}
  .page-hero{padding:20px 0 44px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .panel{padding:22px 20px;}
  .plan-row{grid-template-columns:40px minmax(0,1fr);gap:14px;}
  .plan-go{display:none;}
  .plan-num{font-size:19px;}
  .plan-body h3{font-size:17.5px;}
  .scene-card{grid-template-columns:1fr;}
  .scene-thumb{aspect-ratio:16/9;}
  .step-grid{grid-template-columns:1fr;}
  .step-item{border-right:0;border-bottom:1px solid var(--c-border);padding:22px 0 18px;}
  .step-item:last-child{border-bottom:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .faq-question{font-size:16px;padding:18px 0;}
  .faq-answer-inner{padding-right:0;}
  .spec-table{min-width:560px;font-size:13.5px;}
}

@media (max-width:479.98px){
  .hero-meta{gap:8px;}
  .chip{font-size:12px;padding:5px 11px;}
  .panel{padding:20px 16px;}
  .side-card{padding:20px 16px;}
  .breadcrumb-bar{font-size:12px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
  --c-primary:#14453D;
  --c-primary-dark:#0C2B26;
  --c-primary-light:#2C6355;
  --c-accent:#C08A4E;
  --c-action:#B85C38;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-dark:#12332E;
  --c-text:#1F2724;
  --c-text-2:#5A6660;
  --c-text-3:#8A948E;
  --c-border:#DFD8CB;
  --c-inverse:#F3EFE6;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --radius-card:14px;
  --radius-img:12px;
  --radius-field:10px;
  --shadow-base:0 1px 2px rgba(20,69,61,.06);
  --shadow-hover:0 14px 30px -14px rgba(20,69,61,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background-color:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--c-action)}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--c-primary-dark);margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ---------- 容器与栅格 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.row{--bs-gutter-x:28px;--bs-gutter-y:28px}

/* ---------- 顶部信息条 ---------- */
.top-bar{
  background:var(--c-primary-dark);
  color:rgba(243,239,230,.8);
  font-size:12.5px;
  line-height:1.4;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
  flex-wrap:nowrap;
}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;min-width:0}
.tb-domain{color:rgba(243,239,230,.92);font-weight:600;letter-spacing:.03em}
.tb-divider{display:inline-block;width:1px;height:12px;background:rgba(243,239,230,.28);flex:none}
.top-bar a{color:rgba(243,239,230,.8)}
.top-bar a:hover{color:var(--c-accent)}
.tb-accent{color:var(--c-accent)!important;font-weight:600}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--c-border);box-shadow:0 8px 20px -16px rgba(20,69,61,.5)}
.site-nav{padding:0;background:transparent}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;padding:0;margin:0;text-decoration:none}
.brand:hover .brand-name{color:var(--c-primary-light)}
.brand-mark{
  width:28px;height:28px;flex:none;
  border-radius:8px;
  background:var(--c-primary);
  color:var(--c-inverse);
  font-family:var(--font-sans);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--c-primary-dark);transition:color .22s ease}
.brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.06em;font-family:var(--font-sans)}
.nav-links-wrap{flex:1;justify-content:center}
.nav-links{display:flex;align-items:center;gap:28px;margin:0;padding:0;flex-direction:row}
.nav-item{list-style:none}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  background:none;
  border:0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:4px;
  height:2px;width:0;
  background:var(--c-accent);
  transition:width .22s ease;
}
.nav-link:hover,.nav-link.active{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-cta{display:flex;align-items:center;flex:none}
.nav-toggle{
  width:44px;height:44px;
  padding:0;
  border:1px solid var(--c-border);
  border-radius:var(--radius-field);
  background:var(--c-surface);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px}
.nav-toggle:hover{background:rgba(20,69,61,.06)}

/* ---------- 按钮 ---------- */
.btn{
  font-family:var(--font-sans);
  border-radius:var(--radius-field);
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn-main{
  height:48px;
  padding:0 26px;
  background:var(--c-primary);
  color:var(--c-inverse);
  font-size:15px;
}
.btn-main:hover{background:var(--c-primary-dark);color:var(--c-inverse);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-base)}
.btn-ghost{
  height:48px;
  padding:0 24px;
  background:transparent;
  color:var(--c-primary);
  border-color:var(--c-primary);
  font-size:15px;
}
.btn-ghost:hover{background:rgba(20,69,61,.08);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm-main{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-on-dark{
  height:48px;padding:0 28px;
  background:var(--c-accent);
  color:var(--c-primary-dark);
  font-size:15px;font-weight:700;
}
.btn-on-dark:hover{background:#D19B60;color:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(0,0,0,.6)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid currentColor;
  padding-bottom:2px;
  min-height:44px;
}
.text-link:hover{color:var(--c-accent);border-bottom-width:2px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding-bottom:58px;
  border-bottom:1px solid var(--c-border);
  background-color:var(--c-bg);
  background-image:linear-gradient(180deg,rgba(246,243,236,.94),rgba(246,243,236,.99)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-3);
  padding:18px 0;
}
.crumbs a{color:var(--c-text-2);min-height:36px;display:inline-flex;align-items:center}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-border)}
.crumbs .current{color:var(--c-primary);font-weight:600}
.page-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-accent);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:14px;height:2px;background:var(--c-accent);display:inline-block}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.3;
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;
  line-height:1.9;
  color:var(--c-text-2);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:28px;
  font-size:13.5px;
  color:var(--c-text-2);
}
.hero-points span{
  display:inline-flex;
  align-items:center;
  padding:0 16px;
  border-left:1px solid var(--c-border);
  line-height:1.6;
}
.hero-points span:first-child{padding-left:0;border-left:0}
.hero-figure{
  margin:0;
  border:1px solid var(--c-border);
  border-radius:16px;
  overflow:hidden;
  background:var(--c-surface);
  box-shadow:var(--shadow-base);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-surface)}
.section-tint{background:var(--c-surface-alt)}
.section-head{max-width:660px;margin-bottom:36px}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--c-accent);
}
.sec-label::before{content:"";width:14px;height:2px;background:var(--c-accent)}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin:12px 0 12px}
.section-head p{color:var(--c-text-2);font-size:16px;line-height:1.85;margin:0;max-width:620px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head-row .section-head{margin-bottom:0}

/* ---------- 问答主区 ---------- */
.faq-main-title{font-size:20px;margin-bottom:8px}
.faq-main-desc{font-size:14.5px;color:var(--c-text-2);margin-bottom:24px}
.faq-acc .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-base);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-acc .accordion-item:hover{border-color:rgba(192,138,78,.45);box-shadow:var(--shadow-hover)}
.faq-acc .accordion-button{
  position:relative;
  background:transparent;
  box-shadow:none;
  padding:20px 64px 20px 22px;
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--c-text);
  border-radius:var(--radius-card);
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(20,69,61,.05);
  color:var(--c-primary-dark);
}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button::before{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--c-border);
  display:grid;place-items:center;
  font-family:var(--font-sans);
  font-size:16px;font-weight:600;line-height:1;
  color:var(--c-primary);
  background:var(--c-surface);
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"–";
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#FFFFFF;
}
.faq-acc .accordion-button:focus{outline:none;box-shadow:none}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px}
.faq-acc .accordion-body{
  padding:2px 22px 22px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--c-text-2);
}
.faq-acc .accordion-body strong{color:var(--c-primary-dark)}

/* ---------- 右侧栏 ---------- */
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:24px;
  margin-bottom:20px;
  box-shadow:var(--shadow-base);
}
.side-card h3{font-size:18px;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--c-text-3);margin-bottom:16px}
.side-nav{margin:0;padding:0}
.side-nav li+li{margin-top:4px}
.side-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:8px 12px;
  border-radius:8px;
  border-left:3px solid transparent;
  font-size:15px;
  color:var(--c-text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.side-nav a:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.side-nav a.active{
  background:rgba(20,69,61,.07);
  color:var(--c-primary);
  font-weight:600;
  border-left-color:var(--c-accent);
}
.hot-list li{
  padding:12px 0;
  border-bottom:1px dashed var(--c-border);
  font-size:14.5px;
  line-height:1.6;
}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list li:first-child{padding-top:0}
.hot-list a{color:var(--c-text-2)}
.hot-list a:hover{color:var(--c-primary)}
.hot-list .hot-meta{display:block;font-size:12.5px;color:var(--c-text-3);margin-top:4px}
.side-card.contact-card{
  background:rgba(20,69,61,.06);
  border-color:rgba(20,69,61,.16);
}
.contact-card p{font-size:14.5px;color:var(--c-text-2);margin-bottom:18px}
.contact-card .contact-line{font-size:13.5px;color:var(--c-text-2);margin-bottom:6px}
.contact-card .contact-line strong{display:inline-block;color:var(--c-primary-dark);font-weight:600;margin-right:6px}

/* ---------- 步骤 ---------- */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-base);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step-item:hover{transform:translateY(-2px);border-color:rgba(192,138,78,.45);box-shadow:var(--shadow-hover)}
.step-num{
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:700;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  margin-bottom:10px;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-base);
}
.mapping-table{
  width:100%;
  min-width:700px;
  margin:0;
  border-collapse:collapse;
  font-size:15px;
  --bs-table-bg:transparent;
  --bs-table-color:var(--c-text-2);
}
.mapping-table thead th{
  background:rgba(20,69,61,.07);
  color:var(--c-primary-dark);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
  padding:14px 20px;
  border-bottom:1px solid var(--c-border);
  white-space:nowrap;
}
.mapping-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--c-border);
  color:var(--c-text-2);
  vertical-align:top;
  line-height:1.75;
}
.mapping-table tbody tr:last-child td{border-bottom:0}
.mapping-table tbody tr:nth-child(even) td{background:rgba(239,234,224,.45)}
.mapping-table tbody td:first-child{font-weight:600;color:var(--c-text);white-space:nowrap}

/* ---------- 联系引导横条 ---------- */
.help-band{
  margin-top:44px;
  background:var(--c-surface-alt);
  border:1px solid var(--c-border);
  border-left:4px solid var(--c-accent);
  border-radius:var(--radius-card);
  padding:26px 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.help-band h3{font-size:18px;margin-bottom:6px}
.help-band p{font-size:14.5px;color:var(--c-text-2);margin:0;max-width:560px}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--c-dark);color:var(--c-inverse);padding:58px 0;position:relative}
.cta-band::before{
  content:"";
  position:absolute;left:0;top:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(192,138,78,0),rgba(192,138,78,.9),rgba(192,138,78,0));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-text h2{color:var(--c-inverse);font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-text p{color:rgba(243,239,230,.78);font-size:15.5px;margin:0;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-actions .text-link{color:var(--c-inverse);border-bottom-color:rgba(243,239,230,.5)}
.cta-actions .text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-dark);
  color:rgba(243,239,230,.75);
  padding:60px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;left:0;top:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(192,138,78,0),rgba(192,138,78,.85),rgba(192,138,78,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:32px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(243,239,230,.14);color:var(--c-inverse)}
.footer-brand-name{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-inverse)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,239,230,.72);margin:0;max-width:340px}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  color:var(--c-inverse);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li:last-child{margin-bottom:0}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:14px;color:rgba(243,239,230,.72);line-height:1.8}
.footer-contact strong{
  display:inline-block;
  color:rgba(243,239,230,.92);
  font-weight:600;
  margin-right:8px;
}
.footer-bottom{
  border-top:1px solid rgba(243,239,230,.16);
  padding:18px 0 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:13px;
  color:rgba(243,239,230,.62);
}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(243,239,230,.35);
  background:transparent;
  color:rgba(243,239,230,.85);
  display:grid;place-items:center;
  font-size:16px;line-height:1;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-dark)}

/* ---------- 移动端导航 ---------- */
.mobile-nav{
  width:320px;
  max-width:88vw;
  background:var(--c-bg);
  border-left:1px solid var(--c-border);
}
.mobile-nav .offcanvas-header{
  padding:18px 20px;
  border-bottom:1px solid var(--c-border);
  align-items:center;
}
.mobile-nav .offcanvas-body{padding:8px 20px 28px;display:flex;flex-direction:column}
.mnav-close{
  width:40px;height:40px;
  border-radius:var(--radius-field);
  border:1px solid var(--c-border);
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:20px;line-height:1;
  display:grid;place-items:center;
  flex:none;
}
.mnav-close:hover{background:rgba(20,69,61,.08)}
.mnav-list{margin:8px 0 20px}
.mnav-list li{border-bottom:1px solid var(--c-border)}
.mnav-list a{
  display:flex;
  align-items:center;
  min-height:52px;
  font-size:15px;
  color:var(--c-text-2);
}
.mnav-list a:hover,.mnav-list a.active{color:var(--c-primary);font-weight:600}
.mnav-meta{padding-top:20px;margin-top:auto;font-size:13px;color:var(--c-text-3);line-height:1.8}
.mnav-meta p{margin:0 0 6px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:20px}
}
@media (max-width:991.98px){
  .container{padding-left:22px;padding-right:22px}
  .section{padding:64px 0}
  .page-hero{padding-bottom:48px}
  .page-hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-figure{order:-1}
  .hero-figure img{aspect-ratio:16/9}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-desc{max-width:none}
  .side-card{margin-bottom:18px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .topbar-right{display:none}
  .topbar-inner{justify-content:flex-start;font-size:12px}
  .nav-inner{min-height:68px}
  .brand-name{font-size:18px}
  .brand-sub{font-size:10.5px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .page-hero .lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-points{font-size:12.5px}
  .hero-points span{padding:0 12px}
  .section{padding:52px 0}
  .faq-acc .accordion-button{font-size:16px;padding:18px 58px 18px 18px}
  .faq-acc .accordion-button::before{right:16px;width:26px;height:26px}
  .faq-acc .accordion-body{padding:2px 18px 20px;font-size:15px}
  .help-band{padding:22px;flex-direction:column;align-items:flex-start}
  .help-band .btn{width:100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:14px}
  .cta-actions .btn{width:100%}
  .cta-actions .text-link{justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .site-footer{padding-top:48px}
}
@media (max-width:519.98px){
  .container{padding-left:18px;padding-right:18px}
  .steps-grid{grid-template-columns:1fr}
  .hero-figure img{aspect-ratio:4/3}
  .hero-points span{padding:0 10px}
  .mapping-table{font-size:14px}
  .mapping-table thead th,.mapping-table tbody td{padding:13px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --c-primary:#14453D;
  --c-primary-dark:#0C2B26;
  --c-primary-light:#2C6355;
  --c-accent:#C08A4E;
  --c-action:#B85C38;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-dark:#12332E;
  --c-text:#1F2724;
  --c-text-2:#5A6660;
  --c-text-3:#8A948E;
  --c-border:#DFD8CB;
  --c-invert:#F3EFE6;
  --r-card:14px;
  --r-img:12px;
  --r-ctrl:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(20,69,61,.06);
  --shadow-2:0 14px 30px -14px rgba(20,69,61,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-text);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease);}
a:hover{color:var(--c-action);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(192,138,78,.28);}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-primary-dark);
  color:rgba(243,239,230,.8);
  font-size:12.5px;
  line-height:36px;
  height:36px;
  overflow:hidden;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar .divider{width:1px;height:12px;background:rgba(243,239,230,.28);display:inline-block;}
.topbar-link{color:rgba(243,239,230,.8);font-size:12.5px;}
.topbar-link:hover{color:var(--c-accent);}
.topbar-cta{color:var(--c-accent);font-weight:600;font-size:12.5px;letter-spacing:.02em;}
.topbar-cta:hover{color:#E0B47F;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-border);
  box-shadow:0 6px 20px -14px rgba(20,69,61,.35);
}
.site-nav{padding:0;background:transparent;}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
  max-width:1200px;
}
.brand{display:flex;align-items:center;gap:12px;padding:0;margin:0;text-decoration:none;}
.brand-mark{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:var(--c-invert);
  font-family:var(--font-serif);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  border-radius:6px;
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:3px;}
.brand:hover .brand-name{color:var(--c-primary);}
.nav-links-wrap{flex:1;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:28px;flex-direction:row;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  padding:6px 0;
  line-height:1.4;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover,.nav-link.active{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-cta{align-items:center;}
.nav-toggle{
  border:1px solid var(--c-border);
  background:var(--c-surface);
  border-radius:8px;
  width:44px;height:44px;
  padding:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-ctrl);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary,.btn-sm-main{
  background:var(--c-primary);
  color:var(--c-invert);
  border-color:var(--c-primary);
}
.btn-primary:hover,.btn-sm-main:hover{
  background:var(--c-primary-dark);
  border-color:var(--c-primary-dark);
  color:var(--c-invert);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active,.btn-sm-main:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-sm-main{min-height:40px;padding:0 18px;font-size:14px;border-radius:8px;}
.btn-ghost{
  background:transparent;
  color:var(--c-primary);
  border:1px solid var(--c-primary);
}
.btn-ghost:hover{background:rgba(20,69,61,.08);color:var(--c-primary-dark);transform:translateY(-2px);}
.btn-link-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);
  font-size:14px;font-weight:600;
  border-bottom:1px solid var(--c-primary);
  padding-bottom:2px;
}
.btn-link-text:hover{color:var(--c-accent);border-bottom:2px solid var(--c-accent);}

/* ============ 面包屑 ============ */
.crumbs{padding:18px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);}
.crumb-list li{display:inline-flex;align-items:center;gap:8px;}
.crumb-list li+li::before{content:"/";color:var(--c-text-3);}
.crumb-list a{color:var(--c-text-2);}
.crumb-list a:hover{color:var(--c-primary);}
.crumb-current{color:var(--c-primary);font-weight:600;}

/* ============ 页头 Hero ============ */
.page-hero{padding:22px 0 0;}
.page-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 380px;
  gap:40px;
  align-items:center;
  background:var(--c-surface-alt);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:34px 36px;
  min-height:236px;
}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-accent);
  text-transform:none;
  margin-bottom:14px;
}
.sec-label::before{content:"";width:2px;height:12px;background:var(--c-accent);display:inline-block;}
.page-hero h1{
  font-size:clamp(26px,3vw,38px);
  line-height:1.32;
  max-width:16em;
  margin-bottom:14px;
}
.page-hero p{
  font-size:16px;
  color:var(--c-text-2);
  max-width:36em;
  line-height:1.85;
}
.hero-thumb{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-border);
  background:var(--c-primary);
  aspect-ratio:16/10;
  box-shadow:var(--shadow-1);
}
.hero-thumb img{width:100%;height:100%;object-fit:cover;}

/* ============ 板块基础 ============ */
.section{padding:88px 0 0;}
.section:last-of-type{padding-bottom:88px;}
.section-head{max-width:640px;margin-bottom:32px;}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin-bottom:14px;}
.sec-desc{font-size:16px;color:var(--c-text-2);line-height:1.85;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);padding:88px 0;margin-top:88px;}

/* ============ 关于区块 ============ */
.about-block{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:32px;
  align-items:start;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.about-media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-border);
  aspect-ratio:4/3;
}
.about-media img{width:100%;height:100%;object-fit:cover;}
.about-copy h2{font-size:24px;line-height:1.4;margin-bottom:14px;}
.about-copy p{font-size:15.5px;color:var(--c-text-2);}
.about-points{margin-top:18px;display:grid;gap:10px;}
.about-points li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--c-text);
  line-height:1.8;
}
.about-points li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:7px;height:7px;
  background:var(--c-accent);
  border-radius:2px;
}

/* ============ 数据短条 ============ */
.stat-strip{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  background:var(--c-dark);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat-item{
  padding:24px 22px;
  border-left:1px solid rgba(243,239,230,.14);
}
.stat-item:first-child{border-left:0;}
.stat-value{
  font-family:var(--font-serif);
  font-size:30px;
  font-weight:700;
  color:var(--c-accent);
  line-height:1.2;
  margin-bottom:6px;
}
.stat-label{font-size:13.5px;color:rgba(243,239,230,.75);line-height:1.7;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:17px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-border);
}
.side-nav-list{display:grid;gap:2px;}
.side-nav-list a{
  display:flex;align-items:center;
  min-height:44px;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--c-text-2);
  border-left:3px solid transparent;
  border-radius:0 8px 8px 0;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.side-nav-list a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.side-nav-list a.active{
  background:var(--c-surface-alt);
  color:var(--c-primary);
  font-weight:600;
  border-left-color:var(--c-accent);
}
.hot-list{display:grid;gap:14px;}
.hot-list a{display:block;color:var(--c-text);}
.hot-list a:hover{color:var(--c-primary);}
.hot-item{border-top:1px solid var(--c-border);padding-top:14px;}
.hot-item:first-child{border-top:0;padding-top:0;}
.hot-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.6;}
.hot-item span{display:block;font-size:12.5px;color:var(--c-text-3);margin-top:4px;}
.contact-card{
  background:var(--c-surface-alt);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:22px;
}
.contact-card h3{font-size:17px;margin-bottom:10px;border:0;padding:0;}
.contact-card p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
.contact-card .btn{width:100%;min-height:44px;font-size:14.5px;}

/* ============ 地图占位 ============ */
.map-box{
  border:1px dashed var(--c-border);
  border-radius:var(--r-card);
  background:var(--c-surface);
  min-height:340px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:36px 26px;
  gap:14px;
}
.map-box .map-icon{
  width:56px;height:56px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(20,69,61,.07);
  color:var(--c-primary);
}
.map-box h3{font-size:18px;}
.map-box p{font-size:14px;color:var(--c-text-2);max-width:30em;}
.map-meta{
  display:grid;gap:6px;
  font-size:13.5px;
  color:var(--c-text-3);
}

/* ============ 表单 ============ */
.form-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--shadow-1);
}
.form-card h2{font-size:23px;margin-bottom:8px;}
.form-card .form-lead{font-size:14.5px;color:var(--c-text-2);margin-bottom:22px;}
.form-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--c-text);}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  font-size:14.5px;
  font-family:inherit;
  color:var(--c-text);
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--r-ctrl);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  background:var(--c-surface);
  border-color:var(--c-primary-light);
  box-shadow:0 0 0 3px rgba(20,69,61,.1);
}
.form-hint{font-size:12.5px;color:var(--c-text-3);line-height:1.7;}
.form-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:20px;
  padding-top:20px;
  border-top:1px solid var(--c-border);
}
.form-note{font-size:13px;color:var(--c-text-2);max-width:28em;line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-list{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  background:transparent;
  border:0;
  text-align:left;
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  transition:color var(--ease);
}
.faq-btn:hover{color:var(--c-primary);}
.faq-btn[aria-expanded="true"]{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  border:1px solid var(--c-border);
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  color:var(--c-primary);
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.faq-btn[aria-expanded="true"] .faq-icon{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#fff;
  transform:rotate(180deg);
}
.faq-body{padding:0 0 22px;font-size:15.5px;color:var(--c-text-2);line-height:1.9;}
.faq-body p{margin-bottom:10px;}
.faq-body p:last-child{margin-bottom:0;}

/* ============ 结尾 CTA 带 ============ */
.cta-band{
  background:var(--c-dark);
  border-top:1px solid rgba(192,138,78,.4);
  margin-top:88px;
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{color:var(--c-invert);font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:10px;}
.cta-band p{color:rgba(243,239,230,.78);font-size:15px;max-width:44em;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-dark);
  color:rgba(243,239,230,.75);
  border-top:1px solid var(--c-accent);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--c-accent);color:var(--c-primary-dark);}
.footer-brand-name{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--c-invert);}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(243,239,230,.68);max-width:34em;}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  color:var(--c-invert);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(243,239,230,.75);}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:13.5px;line-height:1.8;color:rgba(243,239,230,.75);}
.footer-contact strong{display:block;font-weight:600;color:rgba(243,239,230,.92);font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(243,239,230,.16);
  padding:18px 0 22px;
  font-size:13px;
  color:rgba(243,239,230,.6);
}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(243,239,230,.35);
  background:transparent;
  color:var(--c-invert);
  font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.to-top:hover{background:rgba(192,138,78,.2);border-color:var(--c-accent);transform:translateY(-2px);}

/* ============ 移动导航抽屉 ============ */
.offcanvas.mobile-nav{
  background:var(--c-bg);
  color:var(--c-text);
  width:320px;
  border-right:1px solid var(--c-border);
}
.mobile-nav-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 20px;
  border-bottom:1px solid var(--c-border);
}
.mobile-nav-head .brand-name{font-size:17px;}
.mobile-nav-head .brand-sub{font-size:10.5px;}
.mobile-nav-close{
  width:44px;height:44px;
  border:1px solid var(--c-border);
  border-radius:8px;
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:18px;
  line-height:1;
}
.mobile-nav-body{padding:8px 20px 20px;}
.mobile-nav-list{display:grid;}
.mobile-nav-list a{
  display:flex;align-items:center;
  min-height:52px;
  font-size:15px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-border);
}
.mobile-nav-list a.active{color:var(--c-primary);font-weight:600;}
.mobile-nav-foot{padding-top:20px;display:grid;gap:12px;}
.mobile-nav-foot .btn{width:100%;}
.mobile-nav-foot p{font-size:12.5px;color:var(--c-text-3);line-height:1.7;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .page-hero-inner{grid-template-columns:minmax(0,1fr) 320px;gap:28px;padding:30px;}
  .about-block{grid-template-columns:240px minmax(0,1fr);}
}
@media (max-width:991.98px){
  .section{padding-top:64px;}
  .section:last-of-type{padding-bottom:64px;}
  .section-alt{padding:64px 0;margin-top:64px;}
  .page-hero-inner{grid-template-columns:1fr;padding:28px;}
  .hero-thumb{order:-1;max-width:100%;aspect-ratio:16/9;}
  .side-col{position:static;margin-top:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:44px 0;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .form-grid{grid-template-columns:1fr 1fr;}
  .about-block{grid-template-columns:1fr;padding:22px;}
  .about-media{aspect-ratio:16/9;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  body{font-size:15.5px;}
  .nav-inner{height:66px;}
  .brand-name{font-size:18px;}
  .brand-sub{font-size:10.5px;}
  .topbar-right .topbar-link,.topbar-right .divider{display:none;}
  .topbar-inner{font-size:12px;}
  .section{padding-top:52px;}
  .section:last-of-type{padding-bottom:52px;}
  .section-alt{padding:52px 0;margin-top:52px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-left:0;border-top:1px solid rgba(243,239,230,.14);}
  .stat-item:first-child{border-top:0;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .map-box{min-height:260px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;padding:18px 0 26px;}
  .faq-btn{font-size:16px;padding:18px 0;}
  .about-copy h2,.form-card h2{font-size:20px;}
  .page-hero-inner{padding:22px;gap:22px;}
  .page-hero h1{font-size:clamp(23px,6vw,30px);}
  .hero-thumb{aspect-ratio:16/10;}
  .cta-band .btn{width:100%;}
}
@media (max-width:479.98px){
  .brand-sub{display:none;}
  .topbar{font-size:11.5px;}
  .topbar-inner{gap:8px;}
  .stat-value{font-size:26px;}
  .side-card,.contact-card{padding:18px;}
  .form-card{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}